Question

A 31.8
kg beam is attached to a wall with a hinge and its far end is
supported by a cable. The angle between the beam and the cable is
90 deg. If the beam is inclined at an angle of θ = 22.6° with
respect to horizontal.

a.) What is the horizontal component of the force exerted by the
hinge on the beam?

b.) What is the magnitude of the force that the beam exerts on
the hinge?